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首页> 外文期刊>Journal of Physical Oceanography >Effects of Wave Streaming and Wave Variations on Nearshore Wave-Driven Circulation
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Effects of Wave Streaming and Wave Variations on Nearshore Wave-Driven Circulation

机译:波流媒体和波变化对近岸波动循环的影响

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摘要

Wave streaming is a near-bottom mean current induced by the bottom drag on surface gravity waves. Wave variations include the variations in wave heights, periods, and directions. Here we use numerical simulations to study the effects of wave streaming and wave variations on the circulation that is driven by incident surface waves. Wave streaming induces an inner-shelf Lagrangian overturning circulation, which links the inner shelf with the surf zone. Wave variations cause alongshore-variable wave breaking that produces surf eddies; however, such eddies can be suppressed by wave streaming. Moreover, with passive tracers we show that wave streaming and wave variations together enhance the crossshelf material transport.
机译:波流是由底部拖动表面重力波引起的近底平均电流。波变化包括波高,周期和方向的变化。在这里,我们使用数值模拟来研究波流和波动变化对由入射表面波驱动的循环的影响。波浪流引导内在架子拉格朗日推翻循环,其将内架与冲浪区连接。波变化导致沿着沿着可变的波破坏,产生冲浪漩涡;但是,这种漩涡可以通过波流抑制。此外,通过被动示踪剂,我们示出了波浪流和波变化在一起增强了交通材料传输。

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